diff --git a/packages/editor/README.md b/packages/editor/README.md
index 628edfbce427a8..a84c122c292048 100644
--- a/packages/editor/README.md
+++ b/packages/editor/README.md
@@ -515,6 +515,50 @@ _Returns_
 
 -   `Component`: The component to be rendered.
 
+### PluginPageAttributesPanel
+
+Renders a row in the Summary panel of the Document sidebar. It should be noted that this is named and implemented around the function it serves and not its location, which may change in future iterations.
+
+_Usage_
+
+```js
+// Using ES5 syntax
+var __ = wp.i18n.__;
+var PluginPageAttributesPanel = wp.editPost.PluginPageAttributesPanel;
+
+function MyPluginPageAttributes() {
+	return React.createElement(
+		PluginPageAttributesPanel,
+		{
+			className: 'my-plugin-page-attributes',
+		},
+		__( 'My page attributes' )
+	);
+}
+```
+
+```jsx
+// Using ESNext syntax
+import { __ } from '@wordpress/i18n';
+import { PluginPageAttributesPanel } from '@wordpress/edit-post';
+
+const MyPluginPageAttributes = () => (
+	<PluginPageAttributesPanel className="my-plugin-page-attributes">
+		{ __( 'My page attributes' ) }
+	</PluginPageAttributesPanel>
+);
+```
+
+_Parameters_
+
+-   _props_ `Object`: Component properties.
+-   _props.className_ `[string]`: An optional class name added to the row.
+-   _props.children_ `Element`: Children to be rendered.
+
+_Returns_
+
+-   `Component`: The component to be rendered.
+
 ### PluginPostPublishPanel
 
 Renders provided content to the post-publish panel in the publish flow (side panel that opens after a user publishes the post).
diff --git a/packages/editor/src/components/index.js b/packages/editor/src/components/index.js
index 030db31a4023b9..519b1985172a88 100644
--- a/packages/editor/src/components/index.js
+++ b/packages/editor/src/components/index.js
@@ -25,6 +25,7 @@ export { default as PageAttributesCheck } from './page-attributes/check';
 export { default as PageAttributesOrder } from './page-attributes/order';
 export { default as PageAttributesPanel } from './page-attributes/panel';
 export { default as PageAttributesParent } from './page-attributes/parent';
+export { default as PluginPageAttributesPanel } from './plugin-page-attributes-panel';
 export { default as PageTemplate } from './post-template/classic-theme';
 export { default as PluginDocumentSettingPanel } from './plugin-document-setting-panel';
 export { default as PluginBlockSettingsMenuItem } from './block-settings-menu/plugin-block-settings-menu-item';
diff --git a/packages/editor/src/components/page-attributes/panel.js b/packages/editor/src/components/page-attributes/panel.js
index 63d5bbb5a87048..96ef1b9249f7ae 100644
--- a/packages/editor/src/components/page-attributes/panel.js
+++ b/packages/editor/src/components/page-attributes/panel.js
@@ -14,6 +14,7 @@ import { store as editorStore } from '../../store';
 import PageAttributesCheck from './check';
 import PageAttributesOrder from './order';
 import PageAttributesParent from './parent';
+import PluginPageAttributesPanel from '../plugin-page-attributes-panel';
 
 const PANEL_NAME = 'page-attributes';
 
@@ -54,6 +55,7 @@ export function PageAttributesPanel() {
 				<PanelRow>
 					<PageAttributesOrder />
 				</PanelRow>
+				<PluginPageAttributesPanel.Slot />
 			</PanelBody>
 		</PageAttributesCheck>
 	);
diff --git a/packages/editor/src/components/plugin-page-attributes-panel/index.js b/packages/editor/src/components/plugin-page-attributes-panel/index.js
new file mode 100644
index 00000000000000..ab620ef84961c0
--- /dev/null
+++ b/packages/editor/src/components/plugin-page-attributes-panel/index.js
@@ -0,0 +1,63 @@
+/**
+ * Defines as extensibility slot for the Summary panel.
+ */
+
+/**
+ * WordPress dependencies
+ */
+import { createSlotFill, PanelRow } from '@wordpress/components';
+
+const { Fill, Slot } = createSlotFill( 'PluginPageAttributesPanel' );
+
+/**
+ * Renders a row in the Summary panel of the Document sidebar.
+ * It should be noted that this is named and implemented around the function it serves
+ * and not its location, which may change in future iterations.
+ *
+ * @param {Object}  props             Component properties.
+ * @param {string}  [props.className] An optional class name added to the row.
+ * @param {Element} props.children    Children to be rendered.
+ *
+ * @example
+ * ```js
+ * // Using ES5 syntax
+ * var __ = wp.i18n.__;
+ * var PluginPageAttributesPanel = wp.editPost.PluginPageAttributesPanel;
+ *
+ * function MyPluginPageAttributes() {
+ * 	return React.createElement(
+ * 		PluginPageAttributesPanel,
+ * 		{
+ * 			className: 'my-plugin-page-attributes',
+ * 		},
+ * 		__( 'My page attributes' )
+ * 	)
+ * }
+ * ```
+ *
+ * @example
+ * ```jsx
+ * // Using ESNext syntax
+ * import { __ } from '@wordpress/i18n';
+ * import { PluginPageAttributesPanel } from '@wordpress/edit-post';
+ *
+ * const MyPluginPageAttributes = () => (
+ * 	<PluginPageAttributesPanel
+ * 		className="my-plugin-page-attributes"
+ * 	>
+ * 		{ __( 'My page attributes' ) }
+ * 	</PluginPageAttributesPanel>
+ * );
+ * ```
+ *
+ * @return {Component} The component to be rendered.
+ */
+const PluginPageAttributesPanel = ( { children, className } ) => (
+	<Fill>
+		<PanelRow className={ className }>{ children }</PanelRow>
+	</Fill>
+);
+
+PluginPageAttributesPanel.Slot = Slot;
+
+export default PluginPageAttributesPanel;
diff --git a/packages/editor/src/components/plugin-page-attributes-panel/test/index.js b/packages/editor/src/components/plugin-page-attributes-panel/test/index.js
new file mode 100644
index 00000000000000..1ed950feb85a6a
--- /dev/null
+++ b/packages/editor/src/components/plugin-page-attributes-panel/test/index.js
@@ -0,0 +1,29 @@
+/**
+ * External dependencies
+ */
+import { render, screen } from '@testing-library/react';
+
+/**
+ * WordPress dependencies
+ */
+import { SlotFillProvider } from '@wordpress/components';
+
+/**
+ * Internal dependencies
+ */
+import PluginPageAttributesPanel from '../';
+
+describe( 'PluginPageAttributesPanel', () => {
+	test( 'renders fill properly', () => {
+		render(
+			<SlotFillProvider>
+				<PluginPageAttributesPanel className="my-plugin-page-attributes-panel">
+					My panel content
+				</PluginPageAttributesPanel>
+				<PluginPageAttributesPanel.Slot />
+			</SlotFillProvider>
+		);
+
+		expect( screen.getByText( 'My panel content' ) ).toBeVisible();
+	} );
+} );